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Finding the Fourth Proportional to 76,980.14, 106,136.50 and 58,853.32

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Solution

The fourth proportional to 76,980.14, 106,136.50 and 58,853.32 is: 81,144.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,980.14 : 106,136.50 = 58,853.32 : x
  2. Step 2: Convert to fraction form
    76,980.14/106,136.50 = 58,853.32/x
  3. Step 3: Cross multiply
    76,980.14x = 106,136.50 × 58,853.32
  4. Step 4: Simplify right side
    76,980.14x = 6,246,485,398.18
  5. Step 5: Solve for x
    x = 6,246,485,398.18/76,980.14
  6. Step 6: Final answer
    x = 81,144.12

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